body{
	background-color: #f5f5f5;
	font-size: 0.8rem;
	font: 12px "simhei", Arial, Helvetica, sans-serif;
}
.font-small{
	font-size: 0.8rem;
}
.header{
	width: 100%;
	border: 0;
}
.footer{
	width: 100%;
	border: 0;
}
@media (min-width:576px){
	.header{
		height: 12rem;
	}
	.footer{
		height: 32rem;
	}
}
@media (min-width:992px){
	.header{
		height: 6rem;
	}
	.footer{
		height: 20rem;
	}
}